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Home >> Alfa Romeo >> 2019 >> Giulia Base, AWD >> Repair and Diagnosis >> Accessories & Equipment >> Collision/Avoidance >> (Left Blind Spot Sensor Module (BSM) (LBSS) - Electrical Diagnostics) >> DTC Troubleshooting >> C1004-16-Battery Voltage Input Circuit - Circuit Voltage Below Threshold >> Possible Causes

Possible Causes

Possible Causes
BATTERY
LEFT BLIND SPOT SENSOR POWER SUPPLY FUSE
FUSED IGNITION SWITCH OUTPUT (RUN) CIRCUIT OPEN OR HIGH RESISTANCE
LEFT BLIND SPOT SENSOR

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  STANDARD PROCEDURE  .